Remove unused upload button css
Remove unused upload button css

closes #7271

KentShikama/diaspora,Flaburgan/diaspora,geraspora/diaspora,Amadren/diaspora,geraspora/diaspora,SuperTux88/diaspora,diaspora/diaspora,jhass/diaspora,Amadren/diaspora,jhass/diaspora,SuperTux88/diaspora,spixi/diaspora,Flaburgan/diaspora,jhass/diaspora,diaspora/diaspora,geraspora/diaspora,diaspora/diaspora,SuperTux88/diaspora,despora/diaspora,Flaburgan/diaspora,spixi/diaspora,spixi/diaspora,KentShikama/diaspora,Flaburgan/diaspora,SuperTux88/diaspora,Amadren/diaspora,despora/diaspora,despora/diaspora,geraspora/diaspora,KentShikama/diaspora,spixi/diaspora,Amadren/diaspora,KentShikama/diaspora,diaspora/diaspora,despora/diaspora,jhass/diaspora